$base: 0;
$bulkEdit: 1000;
$sidebar: 9999;
$deployPreviewMessage: $sidebar + 6;
$workspacePicker: $sidebar + 5;
$tooltip: $sidebar + 4;
$notification: $sidebar + 3;
$datepicker: $sidebar + 2;
$mainPageWithScrollEdge: 1;
$modal: $sidebar + 1;
$overlay: $sidebar + 1;
$pageHeader: 2;
$schemaChangesBackdropContent: 4;
$schemaChangesBackdrop: 3;
$dropdownMenu: 2;
$listBox: 2;
$tableScroll: 1;
$panelSplitter: 1;
